Have you got a preferred logo size? say 700 by 700 pixels for example? Also; could you provide a link to some of the products you design or a company website?

the design will be mostly on business cards, email signatures, and a future website.
here is a link to a project I did:
http://www.nvidia.com/object/cnn.html
Thanks
J

what name of the logo do you prefer???so that we can able to make a design for the name of your logo.